346696961449 has 2 divisors, whose sum is σ = 346696961450. Its totient is φ = 346696961448.

The previous prime is 346696961447. The next prime is 346696961477. The reversal of 346696961449 is 944169696643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338002704400 + 8694257049 = 581380^2 + 93243^2 .

It is an emirp because it is prime and its reverse (944169696643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346696961449 - 2¹ = 346696961447 is a prime.

Together with 346696961447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (346696961447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173348480724 + 173348480725.

It is an arithmetic number, because the mean of its divisors is an integer number (173348480725).

Almost surely, 2^346696961449 is an apocalyptic number.

It is an amenable number.

346696961449 is a deficient number, since it is larger than the sum of its proper divisors (1).

346696961449 is an equidigital number, since it uses as much as digits as its factorization.

346696961449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181398528, while the sum is 67.

The spelling of 346696961449 in words is "three hundred forty-six billion, six hundred ninety-six million, nine hundred sixty-one thousand, four hundred forty-nine".